I'm not sure how to rate Palmengarten. I went on a rainy day in December; it must be much more beautiful in the summer. I felt a little disappointed with the entrance building exhibits and the Christmas decorations seemed slightly cheap. But the other exhibits were nice and met my expectations. The entrance fee is 5 euros for adults, 2 for students, and I believe 1 euro for children. I would come again if in Frankfurt.
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